Circulation Control technologies have been around for 65 years, and have been successfully demonstrated in laboratories and flight vehicles alike, yet there are few production aircraft flying today that implement these advances. Circulation Control techniques may have been overlooked due to perceived unfavorable trade offs of mass flow, pitching moment, cruise drag, noise, etc. Improvements in certain aspects of Circulation Control technology are the focus of this paper. This report will describe airfoil and blown high lift concepts that also address cruise drag reduction and reductions in mass flow through the use of pulsed pneumatic blowing on a Coanda surface. Pulsed concepts demonstrate significant reductions in mass flow requirements for Circulation Control. as well as cruise drag concepts that equal or exceed conventional airfoil systems.


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    Titel :

    Advances in Pneumatic-Controlled High-Lift Systems Through Pulsed Blowing. 21st Applied Aerodynamics Conference held in Orlando, Florida on June 23-26, 2003


    Beteiligte:
    G. S. Jones (Autor:in) / R. J. Englar (Autor:in)

    Erscheinungsdatum :

    2003


    Format / Umfang :

    20 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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